src/dolphinpart.h

   1 /* This file is part of the KDE project
   2    Copyright (c) 2007 David Faure <faure@kde.org>
   3
   4    This library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public
   6    License as published by the Free Software Foundation; either
   7    version 2 of the License, or (at your option) any later version.
   8
   9    This library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public License
  15    along with this library; see the file COPYING.LIB.  If not, write to
  16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17    Boston, MA 02110-1301, USA.
  18 */
  19
  20 #ifndef DOLPHINPART_H
  21 #define DOLPHINPART_H
  22
  23 #include <kparts/part.h>
  24 #include <kparts/browserextension.h>
  25 class DolphinViewActionHandler;
  26 class QActionGroup;
  27 class KAction;
  28 class KFileItemList;
  29 class KFileItem;
  30 class DolphinPartBrowserExtension;
  31 class DolphinSortFilterProxyModel;
  32 class DolphinModel;
  33 class KDirLister;
  34 class DolphinView;
  35 class QLineEdit;
  36 class KAboutData;
  37
  38 class DolphinPart : public KParts::ReadOnlyPart
  39 {
  40     Q_OBJECT
  41     // Used by konqueror. Technically it means "we want undo enabled if
  42     // there are things in the undo history and the current part is a dolphin part".
  43     // Even though it's konqueror doing the undo...
  44     Q_PROPERTY( bool supportsUndo READ supportsUndo )
  45
  46     Q_PROPERTY( QString currentViewMode READ currentViewMode WRITE setCurrentViewMode )
  47
  48     // Used by konqueror when typing something like /home/dfaure/*.diff in the location bar
  49     Q_PROPERTY( QString nameFilter READ nameFilter WRITE setNameFilter )
  50
  51 public:
  52     explicit DolphinPart(QWidget* parentWidget, QObject* parent, const QVariantList& args);
  53     ~DolphinPart();
  54
  55     static KAboutData* createAboutData();
  56
  57     /**
  58      * Standard KParts::ReadOnlyPart openUrl method.
  59      * Called by Konqueror to view a directory in DolphinPart.
  60      */
  61     virtual bool openUrl(const KUrl& url);
  62
  63     /// see the supportsUndo property
  64     bool supportsUndo() const { return true; }
  65
  66     /**
  67      * Used by konqueror for setting the view mode
  68      * @param viewModeName internal name for the view mode, like "icons"
  69      * Those names come from the Actions line in dolphinpart.desktop,
  70      * and have to match the name of the KActions.
  71      */
  72     void setCurrentViewMode(const QString& viewModeName);
  73
  74     /**
  75      * Used by konqueror for displaying the current view mode.
  76      * @see setCurrentViewMode
  77      */
  78     QString currentViewMode() const;
  79
  80     /// Returns the view owned by this part; used by DolphinPartBrowserExtension
  81     DolphinView* view() { return m_view; }
  82
  83     /**
  84      * Sets a name filter, like *.diff
  85      */
  86     void setNameFilter(const QString& nameFilter);
  87
  88     /**
  89      * Returns the current name filter. Used by konqueror to show it in the URL.
  90      */
  91     QString nameFilter() const { return m_nameFilter; }
  92
  93 protected:
  94     /**
  95      * We reimplement openUrl so no need to implement openFile.
  96      */
  97     virtual bool openFile() { return true; }
  98
  99 Q_SIGNALS:
 100     /**
 101      * Emitted when the view mode changes. Used by konqueror.
 102      */
 103     void viewModeChanged();
 104
 105
 106     /**
 107      * Emitted whenever the current URL is about to be changed.
 108      */
 109     void aboutToOpenURL();
 110
 111 private Q_SLOTS:
 112     void slotCompleted(const KUrl& url);
 113     void slotCanceled(const KUrl& url);
 114     void slotInfoMessage(const QString& msg);
 115     void slotErrorMessage(const QString& msg);
 116     /**
 117      * Shows the information for the item \a item inside the statusbar. If the
 118      * item is null, the default statusbar information is shown.
 119      */
 120     void slotRequestItemInfo(const KFileItem& item);
 121     /**
 122      * Handles clicking on an item
 123      */
 124     void slotItemTriggered(const KFileItem& item);
 125     /**
 126      * Creates a new window showing the content of \a url.
 127      */
 128     void createNewWindow(const KUrl& url);
 129     /**
 130      * Opens the context menu on the current mouse position.
 131      * @item  File item context. If item is 0, the context menu
 132      *        should be applied to \a url.
 133      * @url   URL which contains \a item.
 134      */
 135     void slotOpenContextMenu(const KFileItem& item, const KUrl& url);
 136
 137     /**
 138      * Asks the host to open the URL \a url if the current view has
 139      * a different URL.
 140      */
 141     void slotRequestUrlChange(const KUrl& url);
 142
 143     /**
 144      * Informs the host that we are opening \a url (e.g. after a redirection).
 145      */
 146     void slotUrlChanged(const KUrl& url);
 147
 148     /**
 149      * Updates the state of the 'Edit' menu actions and emits
 150      * the signal selectionChanged().
 151      */
 152     void slotSelectionChanged(const KFileItemList& selection);
 153
 154     /**
 155      * Updates the text of the paste action dependent from
 156      * the number of items which are in the clipboard.
 157      */
 158     void updatePasteAction();
 159
 160     /**
 161      * Connected to all "Go" menu actions provided by DolphinPart
 162      */
 163     void slotGoTriggered(QAction* action);
 164
 165     /**
 166      * Connected to the "editMimeType" action
 167      */
 168     void slotEditMimeType();
 169
 170     /**
 171      * Connected to the "properties" action
 172      */
 173     void slotProperties();
 174
 175 private:
 176     void createActions();
 177     void createGoAction(const char* name, const char* iconName,
 178                         const QString& text, const QString& url,
 179                         QActionGroup* actionGroup);
 180
 181 private:
 182     DolphinView* m_view;
 183     DolphinViewActionHandler* m_actionHandler;
 184     KDirLister* m_dirLister;
 185     DolphinModel* m_dolphinModel;
 186     DolphinSortFilterProxyModel* m_proxyModel;
 187     DolphinPartBrowserExtension* m_extension;
 188     QString m_nameFilter;
 189     Q_DISABLE_COPY(DolphinPart)
 190 };
 191
 192 class DolphinPartBrowserExtension : public KParts::BrowserExtension
 193 {
 194     Q_OBJECT
 195 public:
 196     DolphinPartBrowserExtension( DolphinPart* part )
 197         : KParts::BrowserExtension( part ), m_part(part) {}
 198
 199 public Q_SLOTS:
 200     void cut();
 201     void copy();
 202     void paste();
 203     void reparseConfiguration();
 204
 205 private:
 206     DolphinPart* m_part;
 207 };
 208
 209 #endif /* DOLPHINPART_H */